Top View launches"4D"products

      Through long-term testing and customer inspection, Top View sums up a set of scientific technology extracting "4D"products from stereo image. Top View will officially launch "4D" products for domestic and international customers in 2012.
      "4D" products are the Digital Line (DLG), digital orthophoto map (DOM), digital elevation model (DEM) and digital terrain model (DTM).That extraction "4D" products from stereo image has advantages of low cost, short cycle, wide range and high precision.
       Please contact with Beijing Top View Technology Co., Ltd. to get more information and price about "4D" products.